/* Tổng thể */
    .page-88nnlink {
      font-family: 'Arial', sans-serif;
      color: #333;
      line-height: 1.6;
      background-color: #f8f8f8;
      padding-bottom: 80px; /* Đảm bảo không bị che bởi nút cố định */
    }

    /* Hero Section */
    .page-88nnlink__hero-section {
      position: relative;
      width: 100%;
      overflow: hidden;
      padding-top: 10px; /* Khoảng cách cho header cố định */
      background-color: #0d1a26;
      text-align: center;
      padding-bottom: 40px;
    }

    .page-88nnlink__hero-image {
      max-width: 100%;
      height: auto;
      display: block;
      margin: 0 auto;
      border-radius: 8px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    }

    .page-88nnlink__hero-content {
      position: relative;
      z-index: 10;
      color: #fff;
      padding: 20px 15px;
      max-width: 900px;
      margin: 0 auto;
    }

    .page-88nnlink__hero-title {
      font-size: 2.5em;
      margin-bottom: 15px;
      color: #ffe000;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
      line-height: 1.2;
    }

    .page-88nnlink__hero-description {
      font-size: 1.1em;
      margin-bottom: 25px;
      color: #e0e0e0;
    }

    /* Floating Promotion Button */
    .page-88nnlink__floating-promo-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: #ff4500;
      color: #fff;
      padding: 15px 25px;
      border-radius: 50px;
      font-size: 1.2em;
      font-weight: bold;
      text-align: center;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
      z-index: 1000;
      cursor: pointer;
      transition: background-color 0.3s ease, transform 0.2s ease;
      text-decoration: none; /* remove underline for a tag if used */
      display: block; /* Ensure it's a block for padding */
    }

    .page-88nnlink__floating-promo-button:hover {
      background-color: #e03e00;
      transform: translateY(-3px);
    }

    /* Main Content Sections */
    .page-88nnlink__section {
      padding: 40px 20px;
      margin: 0 auto;
      max-width: 1200px;
      background-color: #fff;
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
      margin-bottom: 30px;
    }

    .page-88nnlink__section-title {
      font-size: 2em;
      color: #0d1a26;
      text-align: center;
      margin-bottom: 30px;
      position: relative;
      padding-bottom: 10px;
    }

    .page-88nnlink__section-title::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 60px;
      height: 4px;
      background-color: #ff4500;
      border-radius: 2px;
    }

    .page-88nnlink__text-block {
      margin-bottom: 20px;
      font-size: 1.05em;
      color: #555;
    }

    /* Game Categories Grid */
    .page-88nnlink__game-categories-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-88nnlink__game-card {
      background-color: #f0f4f7;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
    }

    .page-88nnlink__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 18px rgba(0, 0, 0, 0.15);
    }

    .page-88nnlink__game-card-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
    }

    .page-88nnlink__game-card-content {
      padding: 20px;
      flex-grow: 1;
    }

    .page-88nnlink__game-card-title {
      font-size: 1.5em;
      color: #0d1a26;
      margin-bottom: 10px;
      text-align: center;
    }

    .page-88nnlink__game-card-description {
      font-size: 0.95em;
      color: #666;
      text-align: justify;
    }

    /* CTA Button */
    .page-88nnlink__cta-button {
      display: inline-block;
      background-color: #007bff;
      color: #fff;
      padding: 12px 25px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      margin-top: 20px;
      font-size: 1.1em;
    }

    .page-88nnlink__cta-button:hover {
      background-color: #0056b3;
      transform: translateY(-2px);
    }

    /* How-to Guide */
    .page-88nnlink__guide-steps {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
      justify-content: center;
    }

    .page-88nnlink__guide-step {
      flex: 1 1 calc(33% - 20px);
      min-width: 280px;
      background-color: #f9f9f9;
      border: 1px solid #eee;
      border-radius: 8px;
      padding: 25px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
      text-align: center;
      box-sizing: border-box;
    }

    .page-88nnlink__guide-step-number {
      font-size: 2.5em;
      color: #ff4500;
      font-weight: bold;
      margin-bottom: 15px;
    }

    .page-88nnlink__guide-step-title {
      font-size: 1.4em;
      color: #0d1a26;
      margin-bottom: 10px;
    }

    .page-88nnlink__guide-step-description {
      color: #555;
      font-size: 0.95em;
    }

    /* FAQ Section */
    .page-88nnlink__faq-list {
      margin-top: 30px;
    }

    .page-88nnlink__faq-item {
      background-color: #f0f4f7;
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
      transition: background-color 0.3s ease;
    }

    .page-88nnlink__faq-item:hover {
      background-color: #e6eef2;
    }

    .page-88nnlink__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      cursor: pointer;
      user-select: none;
      background-color: #e0e7ed;
      border-bottom: 1px solid #d0d7de;
    }

    .page-88nnlink__faq-question h3 {
      font-size: 1.15em;
      color: #0d1a26;
      margin: 0;
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-88nnlink__faq-toggle {
      font-size: 1.8em;
      color: #ff4500;
      font-weight: bold;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle icon from blocking click event */
    }

    .page-88nnlink__faq-item.active .page-88nnlink__faq-toggle {
      transform: rotate(45deg); /* Change '+' to 'x' visually */
      color: #007bff;
    }

    .page-88nnlink__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px;
      background-color: #ffffff;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
      color: #555;
      font-size: 0.95em;
    }

    .page-88nnlink__faq-item.active .page-88nnlink__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to contain content */
      padding: 20px !important;
      opacity: 1;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-88nnlink__hero-title {
        font-size: 1.8em;
      }

      .page-88nnlink__hero-description {
        font-size: 0.95em;
      }

      .page-88nnlink__section {
        padding: 30px 15px;
        margin-bottom: 20px;
      }

      .page-88nnlink__section-title {
        font-size: 1.6em;
        margin-bottom: 20px;
      }

      .page-88nnlink__game-categories-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }

      .page-88nnlink__game-card-title {
        font-size: 1.3em;
      }

      .page-88nnlink__guide-step {
        flex: 1 1 100%;
        padding: 20px;
      }

      .page-88nnlink__floating-promo-button {
        bottom: 15px;
        right: 15px;
        padding: 12px 20px;
        font-size: 1em;
      }

      /* List item specific mobile styles */
      .page-88nnlink__game-card,
      .page-88nnlink__guide-step {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }

      .page-88nnlink__game-categories-grid,
      .page-88nnlink__guide-steps {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 0 !important;
        padding-right: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-88nnlink__game-card-description,
      .page-88nnlink__guide-step-description,
      .page-88nnlink__faq-answer {
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }
    }

    @media (max-width: 480px) {
      .page-88nnlink__hero-title {
        font-size: 1.5em;
      }
      .page-88nnlink__section-title {
        font-size: 1.4em;
      }
      .page-88nnlink__faq-question h3 {
        font-size: 1em;
      }
      .page-88nnlink__faq-toggle {
        font-size: 1.5em;
      }
      .page-88nnlink__faq-answer {
        font-size: 0.9em;
      }
    }